BYJUS SCIENCE GRADE 2 Flashcards
What is the medicinal role of a clove
Helps in Toothache
Name this flower
Chamomile
What is the importance of Chamomile flowers
Used in tea and helps to release stress
Turmeric is a stem
True or false
Turmeric is a root
What are the health benifits of turmeric
Helpful in flu and colds
Name this herb
Basil
What are the medical uses of Basil
Stomach problems
The Traditional Italian Pizza uses which herb
Basil
The brightest object in the night sky is the
Moon
Why dont we see the stars in the day sky
Because the sun is very bright
The sun appears to move from
East to west
When the sun is right at the centre it is known as
Noon
Name the structure on the tongue that gives us the sense of taste
Taste buds
The tiny bumps on the tongue are known as
Papillae
The taste buds contain tiny hair like structures that allow us to taste food
True or False
True
Animals with back bones are called
Vertebrates
Animals that do not have a back bone are Known as
Invertebrates
Do the invertebrates have a skeleton
No
Most of the animals on earth are Vertebrates
True or false
False
Most of the animals on earth are invertebrates
Name this creature
Star Fish
Name this sea creature
Jelly Fish
Name this sea creature
Octopus
Name three water invertebrates
- Star fish
- Jelly Fish
- Octopus
Invertebrates breathe through tiny openings all over the body is called
Spiracles
Invertebrates are cold blooded creatures
True or false
True
What is Force
Force is something that changes the motion of an object
There are two kinds of Force
Push and Pull
Force can change the direction of an object
True or False
True
What makes up a balanced diet
- Carbohydrate
- Protein
- fat
- Vitamins
- Monerals
Name this food
Pasta
Pasta is a carbohydrate
True or false
True
Name a fruit which is rich in healthy fats
Avocado
Eggs contains ?
Proteins
Name a Vegetable that is rich in vitamins and minerals
Broccoli
What is a Landform
It is the form or shape that the earth takes
Is mountain a Landform
Yes
The highest point on the mountain is called a
Peak
Name a landform made of soil and rocks
Mountain
Mountain peaks can be covered with
Snow
Name the tallest mountain in the world
Mount Everest
Mountains are found in chains. this chain of mountains is known as
Mountain Range
Land between hills or mountains, typically with a river or stream flowing through it.
Valley
Is valley a Landform
Yes
A group of stars that are joined together by imaginary lines is called
Constellations
How many fixed constellation are there
88
Fishes breathe underwater with the help of
Gills
Humans breathe with the help of
Lungs
Name the worlds oldest vertebrates
Fish
The three important features of a vertebrates
- have a protective skin covering
- Have lungs or gills for breathing
3Use fins, legs or wings for movement
Are insects vertebrates or invertebrates
Invertebrates
Most insect have a hard covering called
Exoskeleton
An insects body is divided into three parts. name them
- Head
- thorax
- Abdomen
Name an insect which have a very strong sense of smell
Bees
Do bees have a nose
No
How do most of the insects smell
with a pair of antenna
The antennae are attached to which part of the insects body
Head
Name this insect
Cricket
How do crickets make a chirping sound
By rubbing their wings together
name three insects that cannot fly
- Ants
2,Termites - Fleas
Name this insect
Termites
Name this insect
Flea
All adult insects have how many legs
six
The legs of the adult insect are attached to which part of the insect
Thorax
Why do the fireflies glow
They have a chemical that helps them glow
Most insects hatch from
Eggs
This flat and broad area on the earth is called a
Plain
Name this major landform on Earth
PLAIN
This liquid rock come from the inside of a volcano is called
Lava
The first Plains on earth was created by
Lava. Called as Lava Plains
What are Flood Plains
Ice and water flows down slopes of mountains and gets deposited on the land
Name a sense organ that helps us to touch and feels things
Skin
Name the five sense organs
- Nose
- Eyes
- ears
- Tongue
- Skin
How long does the earth take to rotate round its own axis
24 hours
Substances that are very hard and are very strong are called
Metals
What are the three states of matter
- Solids
- Liquids
- gases
The hottest part of the day is the
Noon
Is the time of sunrise or sunset fixed or does it change a little bit everyday
It changes a little bit everyday
Name a few woolen clothes
- Ear Muffs
- Gloves
- Winter boots
Some birds and insects move to warm places during winter. This is known as
MIGRATION
Gives two examples of animals that Migrate during winter
- Monarch Butterfly
- Humming birds
Name this butterfly
Monarch Butterfly
Some animals go into a deep long sleep during winter to save themselves from the cold . This is called
HIBERNATION
Name two animals that Hibernate
Bats and bears
They hibernate in caves
Why do winter roofs have to be sloping
Flat roofs will collapse under the weight of the snow
Winter homes should not be bult of stones
Because stone allows heat to escape out
What is an igloo made up of
Ice blocks
air is trapped in them and the air is an insulator of heat
Slanting roofs allows snow to slide off. This type of a roof is called
Gable roof
Can winter homes be made of wood
Yes. Wooden walls does not allow the heat inside to escape out
In winter are the days shorter or longer
Shorter
Is the earths axis straight or tilted
Tilted
Why do we get seasons
Because the earth revolves around the sun on a tilted axis
Why are days shorter in winter
The path taken by the sun from east to west is much shorter
When the temperature is high it is cold
True or False
False
When the temperature is high it is hot
At what temperature does water freeze to become ice
zero degree celcius
How many layers of clothing should we wear during winter
Three layers
1. Inner layer…Silk
2. Middle layer…wool
3. Outer layer….Jacket
Why should we wear loose clothes during winter
Loose clothing traps the heat inside
Name the four seasons in the correct order
- Summer
- Autumn
- Winter
- Spring
What is the importance of a Sun Screen
It protects our skin from damage by the sun
What are the requirements for Summer Wear
- Sun Glasses
- Light coloured cotton clothes
- Sun screen
- Water bottle
Why should we wear light coloured summer clothes
Light colours do not absorb heat
Name the fruits that should be eaten during summer
Watermelon
Berries
Melons
Name this fruit
Melons
Name a vegetable to be eaten in summer
Cucumber
what is a afternoon nap also known as
Siesta
When its too hot outside what should you do
Stay Indoors
Name the hottest season
Summer
Name summer foods that contain a lot of water
- Watermelon
- Tomatoes
- Mangoes
- berries
- Cucumber
- Plums
Name two cereals grown in summer
Rice and Maize
Name the juices to be had in summer
- Lemonade
- Tender coconut water
3.Water
When you cant predict what is going to happen it is called
Unpredictable
Name a season that can be unpredictable
Spring
In spring the weather can sunny, cloudy and rainy
Name a few spring diseases
- Pink eye
- Pollen allergy
3.Stomach bug
4,Flu
What brings about rain
The changes in the wind pattern
What is BREAK IN MONSOON
When it does not rain for a week in the monsoon
When does the monsoon season start
June till september
Most common disease during the monsoons is
Flu
Name two diseases that occur in the monsoons
- Flu
- Typhoid
How does the disease typhoid spread
Through food and water
Crops grown between June to september are called
KHARIF CROPS
Name the KHARIF CROPS
1,Rice
2. Maize
3. Cacao
4. Soybeans
Chocolate is obtained from which tree
Cacao Plant
The cacao plant gives beans called
Cocoa Beans
Name the Vegetables that grow during the monsoon
- Fiddlehead fern
- Alami Mushroom
- Teasel Gourd
Name this vegetable
Fiddlehead Fern
rain sometimes carries strong winds with it
True or False
True
Name some rain wear
- Umbrella
- rain coat
- Gumboots
The green pumpkin once ripened changes its colour to
Orange Pumpkin
Name this sea creature
Squid
Squid is an invertebrate
True or false
True
Name this living creature
Coral
Corals looks like beautiful plants or rocks. To which Kingdom do corals belong
Animal Kingdom
Corals are animals
Corals are made up of thousands of tiny animals called
Polyps
Corals are vertebrates
True or False
False
Corals are invertebrates
The largest coral reef in the world is the
Australian Great barrier Reef
The sound made by cows is called
Bawl
The sound made by cats
Purr
The sound made by Bears
Growl